The Cocopah Indian Reservation is the reservation of the Cocopah Indian Tribe, which represents Cocopah peoples in the United States. As of the 2000 census

United States Census, 2000

The Twenty-second United States Census, known as Census 2000 and conducted by the Census Bureau, determined the resident population of the United States on April 1, 2000, to be 281,421,906, an increase of 13.2% over the 248,709,873 persons enumerated during the 1990 Census...

 a resident population of 1,025 persons, of whom 519 were solely of Native American heritage, lived on the 25.948 km² (10.0185 sq mi) Cocopah Indian Reservation, which is composed of several non-contiguous sections in Yuma County, Arizona

Yuma County, Arizona

-2010:Whereas according to the 2010 U.S. Census Bureau:*70.4% White*2.0% Black*1.6% Native American*1.2% Asian*0.2% Native Hawaiian or Pacific Islander*3.8% Two or more races*20.8% Other races*59.7% Hispanic or Latino -2000:...

, lying southwest and northwest of the City of Yuma

Yuma, Arizona

Yuma is a city in and the county seat of Yuma County, Arizona, United States. It is located in the southwestern corner of the state, and the population of the city was 77,515 at the 2000 census, with a 2008 Census Bureau estimated population of 90,041....

, Arizona

Arizona

Arizona ; is a state located in the southwestern region of the United States. It is also part of the western United States and the mountain west. The capital and largest city is Phoenix...

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There is a casino and bingo hall on the reservation. Another Yuman group, the Quechan

Quechan

The Quechan are a Native American tribe who live on the Fort Yuma Indian Reservation on the lower Colorado River in Arizona and California just north of the border with Mexico...

, lives in the adjacent Fort Yuma Indian Reservation

Fort Yuma Indian Reservation

The Fort Yuma Indian Reservation is a part of the traditional lands of the Quechan people. Established in 1884, the reservation, at , has a land area of 178.197 km² in southeastern Imperial County, California, and western Yuma County, Arizona, near the city of Yuma, Arizona. Both the county...

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